Home / 198,301,835.60-297,452,753.40-137,079,832.40

Finding the Fourth Proportional to 198,301,835.60, 297,452,753.40 and 137,079,832.40

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Solution

The fourth proportional to 198,301,835.60, 297,452,753.40 and 137,079,832.40 is: 205,619,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,301,835.60 : 297,452,753.40 = 137,079,832.40 : x
  2. Step 2: Convert to fraction form
    198,301,835.60/297,452,753.40 = 137,079,832.40/x
  3. Step 3: Cross multiply
    198,301,835.60x = 297,452,753.40 × 137,079,832.40
  4. Step 4: Simplify right side
    198,301,835.60x = 40,774,773,582,990,528
  5. Step 5: Solve for x
    x = 40,774,773,582,990,528/198,301,835.60
  6. Step 6: Final answer
    x = 205,619,748.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.